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Tensile Failure Characteristics of Coal and Its 3D Cohesive Zone Model
We investigate the tensile failure processes of coal specimens under loading conditions by using both laboratory experiments and the 3D cohesive zone...
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A Novel Mixed-Mode Power Exponent Cohesive Zone Model for FDEM and Its Application to Tunnel Excavation in the Layered Rock Mass
To investigate the asymmetric failure mechanism and failure mode of layered rock tunnels, a novel mixed-mode power exponent cohesive zone model...
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Numerical Simulation of Multi-cluster Fracturing Using the Triaxiality Dependent Cohesive Zone Model in a Shale Reservoir with Mineral Heterogeneity
There are still some major issues in the study of fracture network evolution during multi-cluster fracturing in shale reservoirs, such as the...
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Three-dimensional numerical simulation of hydraulically driven cohesive fracture propagation in deformable reservoir rock using enriched EFG method
In this paper, a fully coupled 3D. numerical simulation of hydraulic fracture propagation in saturated deformable porous media is presented in the...
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A Novel Bilinear Constitutive Law for Cohesive Elements to Model the Fracture of Pressure-Dependent Rocks
The rock fracture behavior has an important impact on the breakage performance of Tunnel Boring Machines (TBMs). To model the rock fracture process,...
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Morphological characteristics of desiccation-induced cracks in cohesive soils: a critical review
Geotechnical and geo-environmental engineers are interested in the desiccation-induced cracks as they significantly influence the performance of...
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An FE Simulation of the Fracture Characteristics of Blunt Rock Indenter Under Static and Harmonic Dynamic Loadings Using Cohesive Elements
This paper aims to study the fracture characteristics of blunt indenter impacting formation under static and harmonic dynamic loads by carrying out a...
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A New Numerical Simulation Method for Multi-stage in-Fracture Temporary Plugging and Diverting Fracturing: Based on the Modified Cohesive Zone Model
The multi-stages in-fracture temporary plugging and diverting fracturing technology (ITPDF) is significant for the stimulation of unconventional oil...
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An extended peridynamic bond-based constitutive model for simulation of crack propagation in rock-like materials
The stress of rock-like materials first increases and then decreases with an increase in the strain, and finally become damaged under tensile or...
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Effectiveness of Horizontal Sub-drain for Slope Stability on Crack Soil Using Numerical Model
A landslide occurred in the hilly area of Tulakan District, Pacitan, East Java Province, Indonesia. This was due to a period of heavy rain, resulting...
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Pre- and post-failure characterisation of low-strength rocks by generalised crack initiation and crack damage
For the past 50 years, characterizing and generalizing rock behaviour has been of great interest for researchers in rock mechanics and rock...
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Numerical simulation of hydraulic fracture height using cohesive zone method
Hydraulic fracturing is a popular method used in the petroleum industry to increase the well performance by improving the permeability of the...
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Study on crack growth behaviour in rocks having pre-existing narrow flaws under biaxial compression
The analysis of crack growth on a rock with pre-existing flaws is mostly carried out in open flaw configurations whereas limited study can be found...
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Unraveling engineering disturbance effects on deformation in red-bed mudstone railway cuttings: incorporating crack-facilitated moisture diffusion
Red-bed mudstone, prevalent in southwest China, poses a formidable challenge due to its hydrophilic clay minerals, resulting in expansion,...
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Crack mechanism of ground fissures in loess layer of Fenwei Basin, China
The Fenwei Basin, covered by loess, experiences severe ground fissure disasters. These disasters disrupt the continuity of the loess and pose...
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Improving resilient modulus and cyclic crack restriction of preloaded expansive subgrade treated with nano-geopolymer binder
This study investigated the synergy effects of precompression pressures on expansive subgrade treated with a nano-geopolymer binder (NGB). A moderate...
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Crack Propagation in Heterogeneous Gravity Dams Due to Overflow Using Polygonal Grain-Based Distinct Element Method
Cracks are always a serious concern in the stability analysis of gravity dams. One of the main reasons for the initiation of cracks is overflow. In...
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Frost Crack Propagation and Interaction in Fissured Rocks Subjected to Freeze–thaw Cycles: Experimental and Numerical Studies
Frost crack evolution induced by cyclic freeze–thaw is responsible for rock deterioration in cold regions and poses major threats to public safety,...
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Investigation of the role of crown crack in cohesive soil slope and its effect on slope stability based on the extended finite element method
Tensile cracks in soil slopes, especially develo** at the crown, have been increasingly recognized as the signal of slope metastability. In this...
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Mechanism Interpretation of Sub-critical Crack Growth in Beishan Granite Subjected to Cyclic Loading
A series of stepwise cyclic tests and short-term creep tests were conducted on Beishan granite to quantify the separated effect of stress corrosion...
